package cn.itcast.config;

import cn.itcast.interceptor.CheckLoginInterceptor;
import com.github.xiaoymin.knife4j.spring.annotations.EnableKnife4j;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.Contact;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.List;

import static jdk.nashorn.internal.runtime.regexp.joni.Config.log;

@Configuration
@Slf4j
@EnableSwagger2
@EnableKnife4j
public class WebMvcConfiguration extends WebMvcConfigurationSupport {

    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        log.info("拦截资源开放。。。。");
        registry.addResourceHandler("/backend/**").addResourceLocations("classpath:/backend/");
        registry.addResourceHandler("/front/**").addResourceLocations("classpath:/front/");
        //Swagger
        registry.addResourceHandler("/doc.html").addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");

    }

    @Override
    protected void addInterceptors(InterceptorRegistry registry) {
        String[] urls ={
                "/employee/login",
                "/employee/logout",
                "/backend/**",
                "/front/**",
                "/common/**",
                "/user/sendMsg",
                "/user/login",
                "/doc.html", //swagger路径
                "/webjars/**",
                "/swagger-resources",
                "/v2/api-docs"
        };
        registry.addInterceptor(new CheckLoginInterceptor()).addPathPatterns("/**").excludePathPatterns(urls);
    }


    //配置扩展转换器,解决js丢失精度问题
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
        converter.setObjectMapper(new JacksonObjectMapper());
        converters.add(0,converter);
    }


    @Bean
    public Docket createRestApi(){
        return  new Docket(DocumentationType.SWAGGER_2).apiInfo(apiInfo()).select()
                .apis(RequestHandlerSelectors.basePackage("cn.itcast.controller"))//对哪个包生成文档
                .paths(PathSelectors.any())//所有的方法都生成接口文档
                .build();


    }
    private ApiInfo apiInfo(){
        return new ApiInfoBuilder().title("瑞吉外卖").version("1.0").description("瑞吉外卖接口文档")
                .contact(new Contact("郭铭希","www.baidu.com","dd@qq.com")).build();
    }
}
